Everyone has a different outlook on trees. To a child they represent a world of adventure, of Saturday afternoons spent climbing or building hideaways. To the homeowner they are a source of shade and privacy and a focal point of attractiveness. To the landscape architect they are a tool for defining open spaces and for providing transitions betw... more »een buildings and streets. To the city planner they represent a cosmetic cure for urban blight. Whatever the point of view, however, everyone admires trees and agrees that they are worth planting and preserving.